Case: County of Santa Clara v. United States Immigration & Customs Enforcement

5:26-cv-05604 | U.S. District Court for the Northern District of California

Filed Date: June 10, 2026

Case Ongoing

Clearinghouse coding complete

Case Summary

This is a case seeking to prevent U.S. Immigration and Customs Enforcement (ICE) from leasing and operating an apparent holding facility (Holsclaw Property) in unincorporated Santa Clara County, California. On June 10, 2026, Santa Clara County and the State of California filed this lawsuit in the United States District Court for the Northern District of California. They sued the Department of Homeland Security (DHS), ICE, the U.S. General Services Administration (GSA), and ECG-6 (a subsidiary o…

This is a case seeking to prevent U.S. Immigration and Customs Enforcement (ICE) from leasing and operating an apparent holding facility (Holsclaw Property) in unincorporated Santa Clara County, California. On June 10, 2026, Santa Clara County and the State of California filed this lawsuit in the United States District Court for the Northern District of California. They sued the Department of Homeland Security (DHS), ICE, the U.S. General Services Administration (GSA), and ECG-6 (a subsidiary of a real estate company under the National Environmental Policy Act (NEPA), bringing claims for violations of the Immigration and Nationality Act (INA), the Intergovernmental Cooperation Act (ICA), the Administrative Procedure Act (APA), and California law. Represented by the County Counsel, the California Attorney General, and private counsel, the plaintiffs sought a declaratory judgment, a preliminary and permanent injunction preventing implementation of the lease agreement and construction of the facility, and attorneys’ fees.

The plaintiffs alleged that the defendants failed to produce an environmental impact statement (EIS) or assessment (EA) before leasing and constructing the facility. They argued that there were environmental risks to construction, such as disturbance of endangered species and exposure to hazardous materials. NEPA requires agencies to submit an EIS or EA before taking any final action on a proposed development. The INS requires federal agencies to arrange for an appropriate place of detention and to consider using existing facilities prior to developing new ones. The plaintiffs also alleged that the agency defendants failed to provide the County opportunities to consult with them prior to breaking ground, as required by the ICA. Finally, the County alleged that the defendants’ actions breached a contract granted under the Williamson Act, a California law providing tax relief for owners of farmland.

The case was assigned to Judge Eumi K. Lee.

Fourteen days after filing their complaint, the plaintiffs filed a motion for a preliminary injunction. The Court will hear on the motion on September 8, 2026, and the defendants have agreed to pause construction, demolition, and development activities in advance of the hearing.

 

Summary Authors

Trump2.0 Collection (6/14/2026)

Sam Black (7/15/2026)

People

For PACER's information on parties and their attorneys, see: https://www.courtlistener.com/docket/73466875/parties/county-of-santa-clara-v-united-states-immigration-customs-enforcement/


Documents in the Clearinghouse

Documents in this case
1

5:26-cv-05604

Complaint for Declaratory and Injunctive Relief

County of Santa Clara v. United States Immigration & Customs Enforcement et al.

June 10, 2026

June 10, 2026

Complaint

Docket

See docket on RECAP: https://www.courtlistener.com/docket/73466875/county-of-santa-clara-v-united-states-immigration-customs-enforcement/

Last updated Sept. 17, 2026, 3:20 a.m.

Docket for: County of Santa Clara v. United States Immigration & Customs Enforcement
ECF Number Date Description Link
1 June 10, 2026

COMPLAINT FOR DECLARATORY AND INJUNCTIVE RELIEF against ECG 6 LLC, Edward Frost, Markwayne Mullin, United States Department of Homeland Security, United States General Services Administration, United States Immigration & Customs Enforcement, David Venturella ( Filing fee $ 405, receipt number ACANDC-22084819.). Injunction against the US government/official or APA vacatur requested. Filed by State of California, County of Santa Clara. (Attachments: # 1 Exhibit)(Zinn, Matthew) (Filed on 6/10/2026) (Entered: 06/10/2026)

1 Exhibit

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Clearinghouse
2 June 10, 2026

NOTICE of Appearance filed by Stacy Jayne Lau on behalf of State of California (Lau, Stacy) (Filed on 6/10/2026) (Entered: 06/10/2026)

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3 June 10, 2026

Case assigned to Magistrate Judge Susan van Keulen. Counsel for plaintiff or the removing party is responsible for serving the Complaint or Notice of Removal, Summons and the assigned judge's standing orders and all other new case documents upon the opposing parties. For information, visit E-Filing A New Civil Case at http://cand.uscourts.gov/ecf/caseopening.Standing orders can be downloaded from the court's web page at www.cand.uscourts.gov/judges. Upon receipt, the summons will be issued and returned electronically. A scheduling order will be sent by Notice of Electronic Filing (NEF) within two business days. Consent/Declination due by 6/24/2026. (mxg, COURT STAFF) (Filed on 6/10/2026) (Entered: 06/10/2026)

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4 June 10, 2026

NOTICE of Appearance filed by William J White on behalf of County of Santa Clara (White, William) (Filed on 6/10/2026) (Entered: 06/10/2026)

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5 June 10, 2026

NOTICE of Appearance filed by Caleb Hersh on behalf of County of Santa Clara (Hersh, Caleb) (Filed on 6/10/2026) (Entered: 06/10/2026)

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June 10, 2026

Notice of Appearance/Substitution/Change/Withdrawal of Attorney

June 10, 2026

~Util - Case Assigned by Intake

6 June 11, 2026

Proposed Summons. (Zinn, Matthew) (Filed on 6/11/2026) (Entered: 06/11/2026)

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7 June 11, 2026

NOTICE of Appearance filed by Erin C Ganahl on behalf of State of California (Ganahl, Erin) (Filed on 6/11/2026) (Entered: 06/11/2026)

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8 June 11, 2026

NOTICE of Appearance filed by Meredith Anne Johnson on behalf of County of Santa Clara (Johnson, Meredith) (Filed on 6/11/2026) (Entered: 06/11/2026)

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9 June 11, 2026

NOTICE of Appearance filed by Kavita Kandala Narayan on behalf of County of Santa Clara (Narayan, Kavita) (Filed on 6/11/2026) (Entered: 06/11/2026)

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10 June 11, 2026

NOTICE of Appearance filed by Rajiv Narayan on behalf of County of Santa Clara (Narayan, Rajiv) (Filed on 6/11/2026) (Entered: 06/11/2026)

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11 June 11, 2026

Initial Case Management Scheduling Order with ADR Deadlines: Case Management Statement due by 9/1/2026. Initial Case Management Conference set for 9/8/2026 09:30 AM in San Jose, - Videoconference Only. (kmg, COURT STAFF) (Filed on 6/11/2026) (Entered: 06/11/2026)

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12 June 11, 2026

Proposed Summons. (Zinn, Matthew) (Filed on 6/11/2026) (Entered: 06/11/2026)

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June 11, 2026

Notice of Appearance/Substitution/Change/Withdrawal of Attorney

June 11, 2026

Electronic Filing Error

June 11, 2026

Electronic filing error. Only One Summons will be Issued. Include all Defendants and their Addresses on One Summons. Include an Attachment Page if Necessary. This filing will not be processed by the clerks office.Please re-file in its entirety. Re: 6 Proposed Summons filed by State of California, County of Santa Clara (kmg, COURT STAFF) (Filed on 6/11/2026)

13 June 12, 2026

NOTICE of Appearance filed by Jessica Susan Durney on behalf of State of California (Durney, Jessica) (Filed on 6/12/2026) (Entered: 06/12/2026)

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14 June 12, 2026

NOTICE of Appearance filed by Ashley Elizabeth Werner on behalf of State of California (Werner, Ashley) (Filed on 6/12/2026) (Entered: 06/12/2026)

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15 June 12, 2026

NOTICE of Appearance filed by Elizabeth Gianna Pianca on behalf of County of Santa Clara (Pianca, Elizabeth) (Filed on 6/12/2026) (Entered: 06/12/2026)

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June 12, 2026

Notice of Appearance/Substitution/Change/Withdrawal of Attorney

16 June 15, 2026

NOTICE of Appearance filed by Sonia Wills on behalf of County of Santa Clara (Wills, Sonia) (Filed on 6/15/2026) (Entered: 06/15/2026)

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17 June 15, 2026

NOTICE of Appearance filed by Leily Arzy on behalf of County of Santa Clara (Arzy, Leily) (Filed on 6/15/2026) (Entered: 06/15/2026)

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18 June 15, 2026

Summons Issued as to ECG 6 LLC, Edward Forst, Markwayne Mullin, United States Department of Homeland Security, United States General Services Administration, United States Immigration & Customs Enforcement, David Venturella, U.S. Attorney and U.S. Attorney General (far, COURT STAFF) (Filed on 6/15/2026) (Entered: 06/15/2026)

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19 June 15, 2026

CONSENT/DECLINATION to Proceed Before a US Magistrate Judge by County of Santa Clara.. (Zinn, Matthew) (Filed on 6/15/2026) (Entered: 06/15/2026)

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June 15, 2026

Notice of Appearance/Substitution/Change/Withdrawal of Attorney

20 June 18, 2026

CLERK'S NOTICE OF IMPENDING REASSIGNMENT TO A U.S. DISTRICT COURT JUDGE: The Clerk of this Court will now randomly reassign this case to a District Judge because either (1) a party has not consented to the jurisdiction of a Magistrate Judge, or (2) time is of the essence in deciding a pending judicial action for which the necessary consents to Magistrate Judge jurisdiction have not been secured. You will be informed by separate notice of the district judge to whom this case is reassigned. ALL HEARING DATES PRESENTLY SCHEDULED BEFORE THE CURRENT MAGISTRATE JUDGE ARE VACATED AND SHOULD BE RE-NOTICED FOR HEARING BEFORE THE JUDGE TO WHOM THIS CASE IS REASSIGNED. This is a text only docket entry; there is no document associated with this notice. (rap, COURT STAFF) (Filed on 6/18/2026) (Entered: 06/18/2026)

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21 June 18, 2026

ORDER REASSIGNING CASE IT IS ORDERED that this case is reassigned using a proportionate, random and blind system pursuant to General Order No. 44 to Judge Eumi K. Lee. Magistrate Judge Susan van Keulen no longer assigned to the case. Counsel are instructed that all future filings shall bear the updated judicial initials immediately after the case number. Counsel are reminded to verify the location of the judge on the court website. All hearing and trial dates presently scheduled are vacated. However, existing briefing schedules for motions remain unchanged. Motions must be renoticed for hearing before the judge to whom the case has been reassigned, but the renoticing of the hearing does not affect the prior briefing schedule. Other deadlines such as those for ADR compliance and discovery cutoff also remain unchanged. Mark B. Busby Clerk, United States District Court (This is a text-only entry generated by the court. There is no document associated with this entry.) (jnk, COURT STAFF) (Filed on 6/18/2026) (Entered: 06/18/2026)

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22 June 18, 2026

CLERK'S NOTICE RESETTING CASE MANAGEMENT DEADLINES FOLLOWING REASSIGNMENT. Case Management Statement due by 9/23/2026. Initial Case Management Conference set for 10/7/2026 at 01:30 PM before Judge Eumi K. Lee. This proceeding will be held via a Zoom meeting.Court Appearances: Advanced notice is required of counsel or parties who will be present at the hearing. A list of names and emails must be sent to the CRD at eklcrd@cand.uscourts.gov no later than 10/5/2026 at 5:00 PM PT.Civ LR 77-3(d). Persons granted access to court proceedings held by telephone or videoconference are reminded that photographing, recording, and rebroadcasting of court proceedings, including screenshots or other visual copying of a hearing, is absolutely prohibited. (This is a text-only entry generated by the court. There is no document associated with this entry.) (lrt, COURT STAFF) (Filed on 6/18/2026) (Entered: 06/18/2026)

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June 18, 2026

Clerk's Notice of Impending Reassignment - Text Only

June 18, 2026

Case Referred to Magistrate Judge for Discovery

June 18, 2026

Case Assigned/Reassigned

June 18, 2026

Clerk's Notice Setting Zoom Hearing

June 18, 2026

CASE REFERRED to Magistrate Judge Nathanael M. Cousins for Discovery. (jnk, COURT STAFF) (Filed on 6/18/2026)

23 June 21, 2026

NOTICE of Appearance filed by Cristina R. Stella on behalf of County of Santa Clara (Stella, Cristina) (Filed on 6/21/2026) (Entered: 06/21/2026)

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June 21, 2026

Notice of Appearance/Substitution/Change/Withdrawal of Attorney

24 June 24, 2026

MOTION for Preliminary Injunction ; Memorandum of Points and Authorities filed by County of Santa Clara, State of California. Motion Hearing set for 10/7/2026 10:00 AM in San Jose, Courtroom 7, 4th Floor before Judge Eumi K. Lee. Responses due by 7/13/2026. Replies due by 7/20/2026. (Attachments: # 1 Proposed Order Granting Plaintiffs' Motion for Preliminary Injunction)(Zinn, Matthew) (Filed on 6/24/2026) (Entered: 06/24/2026)

1 Proposed Order Granting Plaintiffs' Motion for Preliminary Injunction

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25 June 24, 2026

Declaration of Deputy Director Michael Balliet in Support of 24 MOTION for Preliminary Injunction ; Memorandum of Points and Authorities filed byCounty of Santa Clara, State of California. (Attachments: # 1 Exhibit A Notice of Inspection and Response March 3 2005, # 2 Exhibit B Notice of Inspection and Response Feb 5 2007, # 3 Exhibit C Notice of Inspection and Response Feb 21 2007, # 4 Exhibit D Notice of Inspection and Response March 9 2009, # 5 Exhibit E DAO Syngenta Compliant Dec 14 2009, # 6 Exhibit F MF Syn Closure Report Nov 2009, # 7 Exhibit G Site Closure Photos Aug 8 2009, # 8 Exhibit H MF Syn RWQCB Referral Ltr Jan 4 2010)(Related document(s) 24 ) (Zinn, Matthew) (Filed on 6/24/2026) (Entered: 06/24/2026)

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26 June 24, 2026

Declaration of Principal Planner Samuel Gutierrez in Support of 24 MOTION for Preliminary Injunction ; Memorandum of Points and Authorities filed byCounty of Santa Clara, State of California. (Attachments: # 1 Exhibit A GIS Property Profile, # 2 Exhibit B 1993 Use Permit and Conditions of Approval, # 3 Exhibit C GSA Memorandum June 21 2023)(Related document(s) 24 ) (Zinn, Matthew) (Filed on 6/24/2026) (Entered: 06/24/2026)

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27 June 24, 2026

Declaration of Environmental Health Program Manager Darius Haghighi in Support of 24 MOTION for Preliminary Injunction ; Memorandum of Points and Authorities filed byCounty of Santa Clara, State of California. (Attachments: # 1 Exhibit A SJ Spotlight Article and Construction Documents, # 2 Exhibit B Septic Permitting Records, # 3 Exhibit C FEMA Flood Hazards Map)(Related document(s) 24 ) (Zinn, Matthew) (Filed on 6/24/2026) (Entered: 06/24/2026)

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28 June 24, 2026

Declaration of Robert Hamilton in Support of 24 MOTION for Preliminary Injunction ; Memorandum of Points and Authorities filed byCounty of Santa Clara, State of California. (Attachments: # 1 Exhibit A Hamilton CV)(Related document(s) 24 ) (Zinn, Matthew) (Filed on 6/24/2026) (Entered: 06/24/2026)

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29 June 24, 2026

Declaration of County Counsel Investigator Ricardo Murillo in Support of 24 MOTION for Preliminary Injunction ; Memorandum of Points and Authorities filed byCounty of Santa Clara, State of California. (Attachments: # 1 Exhibit A ROW Photo April 27 2026, # 2 Exhibit B ROW Photo April 27 2026, # 3 Exhibit C ROW Photo April 27 2026, # 4 Exhibit D ROW Photo May 4 2026, # 5 Exhibit E ROW Photo May 11 2026, # 6 Exhibit F SJ Spotlight Article May 13 2026, # 7 Exhibit G ROW Photo May 29 2026, # 8 Exhibit H Mercury News Article June 1 2026, # 9 Exhibit I ROW Photo June 3 2026, # 10 Exhibit J ROW Photo June 15 2026, # 11 Exhibit K ROW Photo June 15 2026, # 12 Exhibit L GSA Solicitation Notice, # 13 Exhibit M GSA Award Notice, # 14 Exhibit N ECG Screenshot of Properties, # 15 Exhibit O ECG Articles of Organization, # 16 Exhibit P ECG Amendment Articles of Incorporation, # 17 Exhibit Q Statement of Information ECG6 Jan 24 2025, # 18 Exhibit R Statement of Information ECG6 Feb 18 2026, # 19 Exhibit S Elmwood Capital Group Statement of Information Mar 15 2023, # 20 Exhibit T Project Salt Box FOIA Letter, # 21 Exhibit U CATEX NEPA MEMO, # 22 Exhibit V Floodplain Memo FOIA)(Related document(s) 24 ) (Zinn, Matthew) (Filed on 6/24/2026) (Entered: 06/24/2026)

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30 June 24, 2026

Declaration of Hazardous Compliance Materials Division Program Manager Mickey Pierce in Support of 24 MOTION for Preliminary Injunction ; Memorandum of Points and Authorities filed byCounty of Santa Clara, State of California. (Attachments: # 1 Exhibit A 1995 Chemical Inventory, # 2 Exhibit B 1996 Chemical Inventory, # 3 Exhibit C 2007 Chemical Inventory, # 4 Exhibit D Hazardous Waste Manifests, # 5 Exhibit E 2020 Notice of Inspection, # 6 Exhibit F Septic sampling results, # 7 Exhibit G 2009 to 2012 Syngenta Business Disclosure, # 8 Exhibit H Inspection Site Map, # 9 Exhibit I Communication with Property Owner Representative)(Related document(s) 24 ) (Zinn, Matthew) (Filed on 6/24/2026) (Entered: 06/24/2026)

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31 June 24, 2026

Declaration of Matt Read in Support of 24 MOTION for Preliminary Injunction ; Memorandum of Points and Authorities filed byCounty of Santa Clara, State of California. (Related document(s) 24 ) (Zinn, Matthew) (Filed on 6/24/2026) (Entered: 06/24/2026)

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32 June 24, 2026

Declaration of Thuy Van Tsang in Support of 24 MOTION for Preliminary Injunction ; Memorandum of Points and Authorities filed byCounty of Santa Clara, State of California. (Attachments: # 1 Exhibit 1 ECG6 Lease Jan 8 2025)(Related document(s) 24 ) (Zinn, Matthew) (Filed on 6/24/2026) (Entered: 06/24/2026)

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33 June 24, 2026

Request for Judicial Notice re 24 MOTION for Preliminary Injunction ; Memorandum of Points and Authorities filed byCounty of Santa Clara, State of California. (Attachments: # 1 Proposed Order Granting Plaintiffs' Request for Judicial Notice)(Related document(s) 24 ) (Zinn, Matthew) (Filed on 6/24/2026) (Entered: 06/24/2026)

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34 June 24, 2026

Declaration of Leily Arzy in Support of 33 Request for Judicial Notice, filed byCounty of Santa Clara, State of California. (Attachments: # 1 Exhibit 1 DHS NEPA Directive 023-01, # 2 Exhibit 2 DHS NEPA Instruction Manual 023-01, # 3 Exhibit 3 ICE Directive 11087.2, # 4 Exhibit 4 GSA PBS 1999, # 5 Exhibit 5 Space Room Design, # 6 Exhibit 6 General Clause Ex E-3517B, # 7 Exhibit 7 Purchase Order to PRICE MODERN LLC, # 8 Exhibit 8 NOAA Presentation June 15 2026, # 9 Exhibit 9 SCC General Plan Book B Excerpts, # 10 Exhibit 10 NH Press Release Feb 12 2026, # 11 Exhibit 11 Seacoastonline NH Article Feb 27 2026, # 12 Exhibit 12 Liggins Court Records)(Related document(s) 33 ) (Zinn, Matthew) (Filed on 6/24/2026) (Entered: 06/24/2026)

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35 June 25, 2026

Declaration of Erin Chappell in Support of 24 MOTION for Preliminary Injunction ; Memorandum of Points and Authorities filed byCounty of Santa Clara, State of California. (Related document(s) 24 ) (Zinn, Matthew) (Filed on 6/25/2026) (Entered: 06/25/2026)

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36 June 25, 2026

Declaration of Dr. Tiffany Yap, D.Env. in Support of 24 MOTION for Preliminary Injunction ; Memorandum of Points and Authorities filed byCounty of Santa Clara, State of California. (Attachments: # 1 Exhibit 1 US Geo Survey Species Query, # 2 Exhibit 2 IBA Species List)(Related document(s) 24 ) (Zinn, Matthew) (Filed on 6/25/2026) (Entered: 06/25/2026)

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37 July 1, 2026

SUMMONS Returned Executed by State of California, County of Santa Clara. ECG 6 LLC served on 6/30/2026, answer due 7/21/2026; Edward Forst served on 6/23/2026, answer due 7/14/2026; Markwayne Mullin served on 6/23/2026, answer due 7/14/2026; United States Department of Homeland Security served on 6/23/2026, answer due 7/14/2026; United States General Services Administration served on 6/23/2026, answer due 7/14/2026; United States Immigration & Customs Enforcement served on 6/23/2026, answer due 7/14/2026; David Venturella served on 6/23/2026, answer due 7/14/2026. (Attachments: # 1 Certificate/Proof of Service by Certified Mail, # 2 Certificate/Proof of Service by Personal Service)(White, William) (Filed on 7/1/2026) (Entered: 07/01/2026)

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38 July 1, 2026

CERTIFICATE OF SERVICE by County of Santa Clara, State of California re 33 Request for Judicial Notice, 24 MOTION for Preliminary Injunction ; Memorandum of Points and Authorities (White, William) (Filed on 7/1/2026) (Entered: 07/01/2026)

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39 July 8, 2026

NOTICE of Appearance filed by Gregory Alan Nylen on behalf of ECG 6 LLC (Nylen, Gregory) (Filed on 7/8/2026) (Entered: 07/08/2026)

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July 8, 2026

Notice of Appearance/Substitution/Change/Withdrawal of Attorney

40 July 13, 2026

STIPULATION WITH PROPOSED ORDER re 1 Complaint,, 24 MOTION for Preliminary Injunction ; Memorandum of Points and Authorities STIPULATION AND [PROPOSED] ORDER REGARDING BRIEFING SCHEDULE FOR PRELIMINARY INJUNCTION MOTION filed by Edward Forst, Markwayne Mullin, United States Department of Homeland Security, United States General Services Administration, United States Immigration & Customs Enforcement, David Venturella. (Swoopes, Roman) (Filed on 7/13/2026) (Entered: 07/13/2026)

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41 July 13, 2026

ORDER Granting AS MODIFIED 40 Stipulation Regarding Briefing Schedule for Preliminary Injunction Motion. Signed by Judge Eumi K. Lee.(lrt, COURT STAFF) (Filed on 7/13/2026) (Main Document 41 replaced on 7/13/2026) (lrt, COURT STAFF). (Entered: 07/13/2026)

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42 July 27, 2026

NOTICE of Appearance filed by Jean Larsen on behalf of Jean Larsen Amici Curiae Monterey County and Other Bay Area and Central Coast Local Governments (Larsen, Jean) (Filed on 7/27/2026) (Entered: 07/27/2026)

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43 July 27, 2026

NOTICE of Appearance filed by Jean Larsen on behalf of Amici Curiae Local Governments Monterey County and Other Bay Area and Central Coast Local Governments (Larsen, Jean) (Filed on 7/27/2026) (Entered: 07/27/2026)

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44 July 27, 2026

Certificate of Interested Entities by Amici Curiae Local Governments Monterey County and Other Bay Area and Central Coast Local Governments (Larsen, Jean) (Filed on 7/27/2026) (Entered: 07/27/2026)

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45 July 27, 2026

MOTION for Leave to File Brief of Amici Curiae Monterey County and Other Bay Area and Central Coast Local Governments filed by Amici Curiae Local Governments. (Attachments: # 1 Exhibit 1 (Proposed) Brief of Amici Curiae ***SEE DOCUMENT #49 FOR CORRECTED (PROPOSED) BRIEF*** # 2 Exhibit 2 Proposed Order)(Larsen, Jean) (Filed on 7/27/2026) Modified text on 7/30/2026 (dhm, COURT STAFF). (Entered: 07/27/2026)

1 Exhibit Brief of Amici Curiae Monterey County and Other Bay Area and Central Coa

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2 Exhibit Proposed Order

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46 July 27, 2026

Certificate of Interested Entities by Center for Biological Diversity, et al. (Broderick, Peter) (Filed on 7/27/2026) (Entered: 07/27/2026)

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47 July 27, 2026

First MOTION to File Amicus Curiae Brief filed by Center for Biological Diversity, et al.. Motion Hearing set for 9/8/2026 02:00 PM in San Jose, Courtroom 7, 4th Floor before Judge Eumi K. Lee. Responses due by 8/12/2026. Replies due by 8/26/2026. (Attachments: # 1 (Attached Brief), # 2 (Proposed Order))(Broderick, Peter) (Filed on 7/27/2026) (Entered: 07/27/2026)

1 (Attached Brief)

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2 (Proposed Order)

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48 July 27, 2026

NOTICE of Appearance filed by Peter J Broderick on behalf of Center for Biological Diversity, et al. (Broderick, Peter) (Filed on 7/27/2026) (Entered: 07/27/2026)

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July 27, 2026

Notice of Appearance/Substitution/Change/Withdrawal of Attorney

49 July 29, 2026

CORRECTED (Proposed) Brief of Amici Curiae Monterey County and Other Bay Are and Central Coast Local Governments re 45-1 filed by Amici Curiae Local Governments. (Related document(s) 45 ) (Larsen, Jean) (Filed on 7/29/2026) Modified text on 7/30/2026 (dhm, COURT STAFF). (Entered: 07/29/2026)

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50 Aug. 12, 2026

NOTICE of Appearance filed by Krystal-Rose Perez on behalf of Edward Forst, Markwayne Mullin, United States Department of Homeland Security, United States General Services Administration, United States Immigration & Customs Enforcement, David Venturella (Perez, Krystal-Rose) (Filed on 8/12/2026) (Entered: 08/12/2026)

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51 Aug. 12, 2026

NOTICE of Appearance filed by Dominic E. Draye on behalf of ECG 6 LLC (Draye, Dominic) (Filed on 8/12/2026) (Entered: 08/12/2026)

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52 Aug. 12, 2026

NOTICE of Appearance filed by Stacey M Bosshardt on behalf of ECG 6 LLC (Bosshardt, Stacey) (Filed on 8/12/2026) (Entered: 08/12/2026)

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53 Aug. 12, 2026

Certificate of Interested Entities by ECG 6 LLC identifying Other Affiliate Max Stern, Other Affiliate Noah Zeligman, Other Affiliate Elliot Sassover, Other Affiliate Elmwood Capital Group, Other Affiliate Joseph Friedenberg for ECG 6 LLC. (Nylen, Gregory) (Filed on 8/12/2026) (Entered: 08/12/2026)

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54 Aug. 12, 2026

OPPOSITION/RESPONSE (re 24 MOTION for Preliminary Injunction ; Memorandum of Points and Authorities ) filed byECG 6 LLC. (Attachments: # 1 Exhibit 1, # 2 Declaration if ECG6 Manager and Co-Founder Noah Zeligman, # 3 Exhibit A-H)(Nylen, Gregory) (Filed on 8/12/2026) (Entered: 08/12/2026)

1

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3

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55 Aug. 12, 2026

OPPOSITION/RESPONSE (re 24 MOTION for Preliminary Injunction ; Memorandum of Points and Authorities ) filed byEdward Forst, Markwayne Mullin, United States Department of Homeland Security, United States General Services Administration, United States Immigration & Customs Enforcement, David Venturella. (Swoopes, Roman) (Filed on 8/12/2026) (Entered: 08/12/2026)

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56 Aug. 12, 2026

Declaration of Joanna Bayardo in Support of 55 Opposition/Response to Motion, filed byEdward Forst, Markwayne Mullin, United States Department of Homeland Security, United States General Services Administration, United States Immigration & Customs Enforcement, David Venturella. (Related document(s) 55 ) (Swoopes, Roman) (Filed on 8/12/2026) (Entered: 08/12/2026)

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57 Aug. 12, 2026

Declaration of Russell Larson in Support of 55 Opposition/Response to Motion, filed byEdward Forst, Markwayne Mullin, United States Department of Homeland Security, United States General Services Administration, United States Immigration & Customs Enforcement, David Venturella. (Attachments: # 1 Exhibit 1 - GSA Leasing Desk Guide Ch02, # 2 Exhibit 2 - GSA4002 CATEX Memo, # 3 Exhibit 3 - Justification of No Practicable Alternatives, # 4 Exhibit 4 - Critical Action Determination)(Related document(s) 55 ) (Swoopes, Roman) (Filed on 8/12/2026) (Entered: 08/12/2026)

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Aug. 12, 2026

Notice of Appearance/Substitution/Change/Withdrawal of Attorney

58 Aug. 14, 2026

STIPULATION WITH PROPOSED ORDER Regarding Consolidated Reply Briefing on Plaintiffs' Motion for Preliminary Injunction filed by County of Santa Clara, State of California. (Attachments: # 1 Proposed Order)(Arzy, Leily) (Filed on 8/14/2026) (Entered: 08/14/2026)

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59 Aug. 14, 2026

ORDER GRANTING CONSOLIDATED REPLY BRIEFING ON PLAINTIFFS' MOTION FOR PRELIMINARY INJUNCTION. Signed by Judge Eumi K. Lee. (lrt, COURT STAFF) (Filed on 8/14/2026) (Entered: 08/14/2026)

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60 Aug. 26, 2026

REPLY (re 24 MOTION for Preliminary Injunction ; Memorandum of Points and Authorities ) filed byCounty of Santa Clara, State of California. (Attachments: # 1 Declaration of Darius Haghighi, # 2 Declaration of Tanaya Farahani)(Zinn, Matthew) (Filed on 8/26/2026) (Entered: 08/26/2026)

1

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61 Sept. 2, 2026

ORDER Granting Leave to File Briefs, Granting 45 47 . Signed by Judge Eumi K. Lee. (lrt, COURT STAFF) (Filed on 9/2/2026) (Entered: 09/02/2026)

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62 Sept. 4, 2026

Order

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Sept. 4, 2026

Clerk's Notice Setting Zoom Hearing

Sept. 8, 2026

1 - Terminate Hearings AND Motion Hearing

65 Sept. 10, 2026

Notice (Other)

RECAP
66 Sept. 11, 2026

ORDER Granting 24 Motion for Preliminary Injunction. Signed by Judge Eumi K. Lee on 9/11/2026. (ekllc2, COURT STAFF) (Filed on 9/11/2026)

RECAP
67 Sept. 16, 2026

ADR Certification (ADR L.R. 3-5 b) of discussion of ADR options

RECAP
68 Sept. 16, 2026

ADR Certification (ADR L.R. 3-5 b) of discussion of ADR options

RECAP
69 Sept. 16, 2026

ADR Certification (ADR L.R. 3-5 b) of discussion of ADR options

RECAP
70 Sept. 16, 2026

ADR Certification (ADR L.R. 3-5 b) of discussion of ADR options

RECAP
71 Sept. 16, 2026

ADR Certification (ADR L.R. 3-5 b) of discussion of ADR options

RECAP

Case Details

State / Territory:

California

Case Type(s):

Immigration and/or the Border

Special Collection(s):

Trump Administration 2.0: Challenges to the Government

Key Dates

Filing Date: June 10, 2026

Case Ongoing: Yes

Plaintiffs

Plaintiff Description:

Plaintiffs are the County of Santa Clara and the State of California.

Plaintiff Type(s):

City/County Plaintiff

State Plaintiff

Public Interest Lawyer: No

Filed Pro Se: No

Class Action Sought: No

Class Action Outcome: Not sought

Defendants

Federal

United States Department of Homeland Security

United States General Services Administration

United States Immigration & Customs Enforcement

Private Entity/Person

ECG-6

Defendant Type(s):

Law-enforcement

Case Details

Causes of Action:

Administrative Procedure Act, 5 U.S.C. §§ 551 et seq.

Immigration and Nationality Act (INA), 8 U.S.C. §§ 1101 et seq.

National Environmental Protection Act, 42 U.S.C. §§ 4321–4370f

State law

Other Dockets:

Northern District of California 5:26-cv-05604

Available Documents:

Complaint (any)

Trial Court Docket

Outcome

Prevailing Party: None Yet / None

Relief Sought:

Attorneys fees

Declaratory judgment

Injunction

Relief Granted:

None yet

Source of Relief:

None yet

Issues

General/Misc.:

Buildings

Environmental Justice and Resources:

Environmental Impact Statements

Threatened/endangered fauna

Immigration/Border:

Detention - procedures

Recommended Citation